All-optical nonlinear Compton scattering performed with a multi-petawatt laser

被引：6

作者：

Mirzaie, Mohammad ^{[1
,2
]}

Hojbota, Calin Ioan ^{[1
]}

Kim, Do Yeon ^{[1
]}

Pathak, Vishwa Bandhu ^{[1
]}

Pak, Tae Gyu ^{[1
,3
]}

Kim, Chul Min ^{[1
,2
]}

Lee, Hwang Woon ^{[1
]}

Yoon, Jin Woo ^{[1
,2
]}

Lee, Seong Ku ^{[1
,2
]}

Rhee, Yong Joo ^{[1
]}

Vranic, Marija ^{[4
]}

Amaro, Oscar ^{[4
]}

Kim, Ki Yong ^{[1
,3
,5
]}

Sung, Jae Hee ^{[1
,2
]}

Nam, Chang Hee ^{[1
,3
]}

机构：

[1] Inst Basic Sci, Ctr Relativist Laser Sci CoReLS, Gwangju, South Korea

[2] Gwangju Inst Sci & Technol GIST, Adv Photon Res Inst, Gwangju, South Korea

[3] Gwangju Inst Sci & Technol GIST, Dept Phys & Photon Sci, Gwangju, South Korea

[4] Univ Lisbon, GoLP Inst Plasmas & Fusao Nucl, Inst Super Tecn, Lisbon, Portugal

[5] Univ Maryland, Inst Res Elect & Appl Phys, College Pk, MD USA

来源：

NATURE PHOTONICS | 2024年 / 18卷 / 11期

关键词：

ELECTRON; FIELD;

D O I：

10.1038/s41566-024-01550-8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Light-matter interactions driven by ultrahigh-intensity lasers have great potential to uncover the physics associated with quantum electrodynamics (QED) processes occurring in neutron stars and black holes. The Compton scattering between an ultra-relativistic electron beam and an intense laser can reveal a new interaction regime, known as strong-field QED. Here we present an experimental demonstration of nonlinear Compton scattering in a strong laser field, in which a laser-accelerated multi-gigaelectronvolt electron scatters off hundreds of laser photons and converts them into a single gamma-ray photon with several-hundred-megaelectronvolt energy. Along with particle-in-cell (PIC)-QED simulations and analytical calculations, our experimental measurement of gamma-ray spectra verifies the occurrence of Compton scattering in the strongly nonlinear regime, paving the road to examine nonlinear Breit-Wheeler pair production and QED cascades. Researchers demonstrate nonlinear Compton scattering in a strong laser field, in which a laser-accelerated multi-GeV electron scatters off hundreds of laser photons and converts them into a single gamma-ray photon with several-hundred-MeV energy.

引用

页码：1212 / 1217

页数：10

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